. >>> now, earlier this morning, president obama and michelle obama observed a moment of silence. they paused at 5:46 our time. that's the time the hijackers crashed the first plane into the world trade center. the president and first lady then attended the ceremony at the pentagon. earlier this morning, firefighters unfurled an american flag there, just as they did on september 12th, 2001. you may remember that. 184 people were killed when hijackers crashed american airlines flight 77 into the pentagon. the same number of metal benches now sit at a memorial outside that government building. also this morning, the president and first lady lay the wreath to mark this 11th anniversary. 7:32. about 30 minutes ago. san jose's fire chief honored the memories of those first responders who died in the 9/11 attacks. allie rasmus is live in san jose now with the details about that and about other special events. >> reporter: we're at fire station 1 in san jose where the flag the mourning is draped over the memorial bell. you take a look apartment the flag here. it's at half-staff. about 20